[nvim] Fix YCM python path

nvim/init.vim

@@ -1,20 +1,6 @@
 set nocompatible
 filetype off
 
-
-" Plugins
-" Note: on most systems, this will make the plugins reside in \
-" ~/.local/share/nvim/plugged/
-let data_dir = has('nvim') ? stdpath('data') . '/site' : expand('~/.vim')
-if empty(glob(data_dir . '/autoload/plug.vim'))
-  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
-  let &runtimepath = &runtimepath
-  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
-endif
-
-" Disable Perl
-let g:loaded_perl_provider = 0
-
 " Find python
 if has("macunix")
     " Required for virtualenvs
@@ -27,6 +13,20 @@ if has("macunix")
 else
     let g:python_interpreter = 'python3'
 endif
+let g:python3_host_prog=g:python_interpreter
+
+" Plugins
+" Note: on most systems, this will make the plugins reside in \
+" ~/.local/share/nvim/plugged/
+let data_dir = has('nvim') ? stdpath('data') . '/site' : expand('~/.vim')
+if empty(glob(data_dir . '/autoload/plug.vim'))
+  silent execute '!curl -fLo '.data_dir.'/autoload/plug.vim --create-dirs  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
+  let &runtimepath = &runtimepath
+  autocmd VimEnter * PlugInstall --sync | source $MYVIMRC
+endif
+
+" Disable Perl
+let g:loaded_perl_provider = 0
 
 call plug#begin()
 
@@ -245,8 +245,9 @@ let g:ycm_collect_identifiers_from_tags_files = 1 " Read from tag files
 let g:ycm_global_ycm_extra_conf = expand('~/.config/nvim/.ycm_extra_conf.py') " Standard conf
 let g:ycm_enable_diagnostic_signs = 0 " Do not show semantic error bar
 let g:ycm_server_python_interpreter=g:python_interpreter
+let g:ycm_python_interpreter_path=g:python_interpreter
 " Enable virtualenv autocompletion
-let g:ycm_python_binary_path = 'python'
+let g:ycm_python_binary_path = 'python3'
 let g:ycm_key_list_select_completion   = ['<C-j>', '<C-n>', '<Down>']
 let g:ycm_key_list_previous_completion = ['<C-k>', '<C-p>', '<Up>']
 
@@ -310,4 +311,3 @@ catch
 endtry
 let g:tex_flavor = "latex"
 autocmd FileType yaml setlocal ts=2 sts=2 sw=2 expandtab
-let g:python3_host_prog=g:python_interpreter